Relay Control<br>
Automation technology<br>
Computer technology<br>
Communication technology<br>
First programmable controller
Promoted the field of machinery<br>
automation
Intelligent
control of systems
Accuracy
Flexibility
Traditional relay control system
Multiple disadvantages
Programmable Controllers
Digital computing operations<br>
Designed for application in industrial environments<br>
Control of various types of machinery or production processes
Electronic systems<br>
Employing programmable memory<br>
through digital and analog inputs and outputs<br>
